31012020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 105028560

約数和(自身を除く): 74016540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 457, 468, 522, 580, 585, 754, 780, 870, 914, 1044, 1131, 1170, 1305, 1371, 1508, 1740, 1828, 1885, 2262, 2285, 2340, 2610, 2742, 3393, 3770, 4113, 4524, 4570, 5220, 5484, 5655, 5941, 6786, 6855, 7540, 8226, 9140, 11310, 11882, 13253, 13572, 13710, 16452, 16965, 17823, 20565, 22620, 23764, 26506, 27420, 29705, 33930, 35646, 39759, 41130, 53012, 53469, 59410, 66265, 67860, 71292, 79518, 82260, 89115, 106938, 118820, 119277, 132530, 159036, 172289, 178230, 198795, 213876, 238554, 265060, 267345, 344578, 356460, 397590, 477108, 516867, 534690, 596385, 689156, 795180, 861445, 1033734, 1069380, 1192770, 1550601, 1722890, 2067468, 2385540, 2584335, 3101202, 3445780, 5168670, 6202404, 7753005, 10337340, 15506010, 31012020]

約数ペア:

[(1, 31012020), (2, 15506010), (3, 10337340), (4, 7753005), (5, 6202404), (6, 5168670), (9, 3445780), (10, 3101202), (12, 2584335), (13, 2385540), (15, 2067468), (18, 1722890), (20, 1550601), (26, 1192770), (29, 1069380), (30, 1033734), (36, 861445), (39, 795180), (45, 689156), (52, 596385), (58, 534690), (60, 516867), (65, 477108), (78, 397590), (87, 356460), (90, 344578), (116, 267345), (117, 265060), (130, 238554), (145, 213876), (156, 198795), (174, 178230), (180, 172289), (195, 159036), (234, 132530), (260, 119277), (261, 118820), (290, 106938), (348, 89115), (377, 82260), (390, 79518), (435, 71292), (457, 67860), (468, 66265), (522, 59410), (580, 53469), (585, 53012), (754, 41130), (780, 39759), (870, 35646), (914, 33930), (1044, 29705), (1131, 27420), (1170, 26506), (1305, 23764), (1371, 22620), (1508, 20565), (1740, 17823), (1828, 16965), (1885, 16452), (2262, 13710), (2285, 13572), (2340, 13253), (2610, 11882), (2742, 11310), (3393, 9140), (3770, 8226), (4113, 7540), (4524, 6855), (4570, 6786), (5220, 5941), (5484, 5655)]